133401216000163 has 4 divisors (see below), whose sum is σ = 133835747648680. Its totient is φ = 132966684351648.

The previous prime is 133401216000139. The next prime is 133401216000181. The reversal of 133401216000163 is 361000612104331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133401216000163 - 2²⁹ = 133400679129251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133401216030163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217265823798 + ... + 217265824411.

It is an arithmetic number, because the mean of its divisors is an integer number (33458936912170).

Almost surely, 2^{133401216000163} is an apocalyptic number.

133401216000163 is a deficient number, since it is larger than the sum of its proper divisors (434531648517).

133401216000163 is an equidigital number, since it uses as much as digits as its factorization.

133401216000163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434531648516.

The product of its (nonzero) digits is 7776, while the sum is 31.

Adding to 133401216000163 its reverse (361000612104331), we get a palindrome (494401828104494).

The spelling of 133401216000163 in words is "one hundred thirty-three trillion, four hundred one billion, two hundred sixteen million, one hundred sixty-three", and thus it is an aban number.